72 lines
2.3 KiB
Plaintext
72 lines
2.3 KiB
Plaintext
// needs to be compiled with -m -C="-lsqlite3"
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extern sqlite3_open
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extern sqlite3_exec
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extern sqlite3_prepare_v2
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extern sqlite3_bind_int
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extern sqlite3_bind_text
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extern sqlite3_step
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extern sqlite3_errmsg
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extern sqlite3_column_int
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extern sqlite3_column_text
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extern sqlite3_finalize
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func main[] : I64
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let rc: I64 = 0
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let db: Ptr = mem.alloc(8)
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let stmt: Ptr = mem.alloc(8)
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rc = sqlite3_open("todo.db", db)
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if rc
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dbg.panic("failed to open db")
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rc = sqlite3_exec(mem.read64(db), "CREATE TABLE IF NOT EXISTS todo(id INTEGER PRIMARY KEY AUTOINCREMENT, task TEXT NOT NULL);", 0, 0, 0)
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if rc
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dbg.panic(sqlite3_errmsg(mem.read64(db)))
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while true
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io.println("1. List tasks")
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io.println("2. Add task")
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io.println("3. Delete task")
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io.println("0. Quit")
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io.print("\n> ")
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let choice: I64 = io.read_line() |> str.parse_i64()
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if choice == 0
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break
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else if choice == 1
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io.println("============")
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sqlite3_prepare_v2(mem.read64(db), "SELECT * FROM todo", -1, stmt, 0)
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while sqlite3_step(mem.read64(stmt)) == 100
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let id: I64 = sqlite3_column_int(mem.read64(stmt), 0)
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let task: String = sqlite3_column_text(mem.read64(stmt), 1)
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io.print_i64(id)
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io.print(" - ")
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io.println(task)
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io.println("============")
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else if choice == 2
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io.print("\nEnter new task: ")
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let task: String = io.read_line() |> str.trim()
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sqlite3_prepare_v2(mem.read64(db), "INSERT INTO todo(task) VALUES (?);", -1, stmt, 0)
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sqlite3_bind_text(mem.read64(stmt), 1, task, -1, 0)
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if sqlite3_step(mem.read64(stmt)) != 101
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dbg.panic(sqlite3_errmsg(mem.read64(db)))
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io.println("\nTask added\n")
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else if choice == 3
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io.print("\nEnter task id: ")
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let id: I64 = io.read_line() |> str.parse_i64()
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sqlite3_prepare_v2(mem.read64(db), "DELETE FROM todo WHERE id = ?;", -1, stmt, 0)
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sqlite3_bind_int(mem.read64(stmt), 1, id, -1, 0)
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if sqlite3_step(mem.read64(stmt)) != 101
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dbg.panic(sqlite3_errmsg(mem.read64(db)))
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io.println("\nTask deleted\n")
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sqlite3_finalize(mem.read64(stmt))
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